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The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to | |
A. | lubricate the contacts [Wrong Answer] |
B. | insulate the contacts from switch body [Wrong Answer] |
C. | extinguish the arc [Correct Answer] |
D. | all of the above [Wrong Answer] |
E. | none of the above [Wrong Answer] |